Bilayered graded phase homojunction FA0.15MA0.85PbI3-based organic-inorganic hybrid perovskite solar cells crossing 22 % efficiency

IF 9.1 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Progress in Solid State Chemistry Pub Date : 2023-12-21 DOI:10.1016/j.progsolidstchem.2023.100437

Jyoti V. Patil, Sawanta S. Mali, Sachin R. Rondiya, Nelson Y. Dzade, Chang Kook Hong

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Abstract

Making highly efficient and stable perovskite solar cells (PSCs) are often based on the processing techniques, band gap of the material and effective interface charge separation. The efficiency of PSCs can be enhanced through several methods including the utilization of a solar-friendly absorber, interface passivation and the implementation of multi-junction spectrally matched absorbers or bilayered phase homojunction (BPHJ) consisting of identical absorbers. Here, we demonstrated BPHJ concept by stacking identical compositions of highly efficient and stable FA_0.15MA_0.85PbI₃ perovskite absorbers adopting solution process (SP) and thermal evaporation (TEV) techniques. We successfully achieved FA_0.15MA_0.85PbI₃ (SP)/FA_0.15MA_0.85PbI₃-(TEV) based BPHJ normal n-i-p devices, which significantly crossing 22.

% PCE. These improvement stems from effective deposition method for achieving high-quality FA_0.15MA_0.85PbI₃-based BPHJ enabling smooth charge transfer at the interfaces. The resulting BPHJ-based device achieve a 22.13 % PCE and retain >95 % its original efficiency over 1000 h.

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基于 FA0.15MA0.85PbI3 的双层分级同相结有机-无机混合型过氧化物太阳能电池的效率突破 22

制造高效稳定的过氧化物太阳能电池（PSCs）通常取决于加工技术、材料的带隙和有效的界面电荷分离。可以通过几种方法提高 PSC 的效率，包括利用太阳能友好吸收体、界面钝化和实施多结光谱匹配吸收体或由相同吸收体组成的双层同相结 (BPHJ)。在此，我们采用溶液工艺（SP）和热蒸发（TEV）技术，通过堆叠相同成分的高效、稳定的 FA0.15MA0.85PbI3 包晶吸收体，展示了 BPHJ 概念。我们成功实现了基于 FA0.15MA0.85PbI3（SP）/FA0.15MA0.85PbI3-（TEV）的 BPHJ 正常 ni-p 器件，其 PCE 显著超过 22.%。这些改进源于实现基于 FA0.15MA0.85PbI3 的高质量 BPHJ 的有效沉积方法，从而使电荷在界面上顺利转移。由此产生的基于 BPHJ 的器件实现了 22.13% 的 PCE，并在 1000 小时内保持了 95% 的原始效率。

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来源期刊

Progress in Solid State Chemistry 化学-无机化学与核化学

CiteScore

14.10

自引率

3.30%

发文量

期刊介绍： Progress in Solid State Chemistry offers critical reviews and specialized articles written by leading experts in the field, providing a comprehensive view of solid-state chemistry. It addresses the challenge of dispersed literature by offering up-to-date assessments of research progress and recent developments. Emphasis is placed on the relationship between physical properties and structural chemistry, particularly imperfections like vacancies and dislocations. The reviews published in Progress in Solid State Chemistry emphasize critical evaluation of the field, along with indications of current problems and future directions. Papers are not intended to be bibliographic in nature but rather to inform a broad range of readers in an inherently multidisciplinary field by providing expert treatises oriented both towards specialists in different areas of the solid state and towards nonspecialists. The authorship is international, and the subject matter will be of interest to chemists, materials scientists, physicists, metallurgists, crystallographers, ceramists, and engineers interested in the solid state.